.footer{
    margin-top: 50px;
    padding-top: 30px;
    width: 100%;
    border-top: 1px solid silver;
    text-align: center;
    color: rgb(129,129,129);
    font-size: 15px;
    clear: left;
}
.footer-nav{
	padding-left: 10%;
    width: 100%;
    height: 20px;
    margin-bottom: 30px;
    box-sizing: border-box;
}
.footer ul{
	width: 1020px;
	height: 100%;
	margin: 0;
	padding: 0;
}
.footer li{
    float: left;
    width: 100px;
    border-right: 1px solid rgb(129,129,129);
    text-align: center;
    color: rgb(129,129,129);
    font-size: 15px;
}
.footer li a{
    display: block;
    width: 100px;
}
.footer div:nth-of-type(2) a:hover{
    text-decoration: underline;
}
.dingbu{
     position: fixed;
     right: 50px;
     bottom: 60px;
     width: 43px;
     height: 43px;
     text-align: center;
}
.dingbu img{
	width: 36px;
 	height: 40px;
}